<template>
  <div>
    <el-form
      style="width: 60%"
      :model="ruleForm"
      :rules="rules"
      ref="ruleForm"
      label-width="100px"
      class="demo-ruleForm"
    >
      <el-form-item label="图书编号">
        <el-input v-model="ruleForm.id" readonly></el-input>
      </el-form-item>

      <el-form-item label="图书名称" prop="name">
        <el-input v-model="ruleForm.name"></el-input>
      </el-form-item>

      <el-form-item label="作者" prop="author">
        <el-input v-model="ruleForm.author"></el-input>
      </el-form-item>

      <el-form-item>
        <el-button type="primary" @click="submitForm('ruleForm')">修改</el-button>
        <el-button @click="resetForm('ruleForm')">重置</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>

<script>
export default {
  data() {
    return {
      ruleForm: {
        id: "",
        name: "",
        author: ""
      },
      rules: {
        name: [
          { required: true, message: "图书名称不能为空", trigger: "blur" }
        ],
        author: [{ required: true, message: "作者不能为空", trigger: "blur" }]
      }
    };
  },
  methods: {
    submitForm(formName) {
      const _this = this;
      this.$refs[formName].validate(valid => {
        if (valid) {
          axios
            .post("http://localhost:8181/book/save/", this.ruleForm)
            .then(function(resp) {
              if (resp.data == "success") {
                //提示信息
                _this.$alert(
                  "书籍《" + _this.ruleForm.name + "》修改成功",
                  "消息",
                  {
                    confirmButtonText: "确定",
                    callback: action => {
                      _this.$router.push("/BookManage");
                    }
                  }
                );
              } else {
              }
            });
        } else {
          console.log("error submit!!");
          return false;
        }
      });
    },
    resetForm(formName) {
      this.$refs[formName].resetFields();
    }
  },
  created() {
    const _this = this;
    axios
      .get("http://localhost:8181/book/findById/" + this.$route.query.id)
      .then(function(resp) {
        _this.ruleForm = resp.data;
      });
  }
};
</script>